The BYS-155 is a wireless calling device designed for use with walkie-talkies. It wirelessly connects to a bluetooth-enabled phone, wireless PTT control and receiving and sending can be realized by BYS -155 software interface protocol in POC system of Interphone.

 

There are two versions of the BYS-155：V4.0 SPP ------V2.0 HFP

 

Application: all Bluetooth audio devices (bluetooth-enabled explosion-proof mobile phones)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Meet the criteria：

 

 

 

-------- -- --

 

Specification parameters：

BT Version：2.1

BT follows specifications：BT Version 1.1 or higher

Number of BT connections：Max 2

Range (Typical):10 meters (30 feet)

Status Display：LED

Operating voltage：5-9V DC

Standby Current Draw：13.5mA（MAX 20mA）

Power mode：Built-in battery

Operating Temperature Range:-20° C to + 75° C

Storage Temperature Range ：-40° C to 150° C